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Sappi (South Africa)

Research works
84
▲ 4% vs 2018-21
Citations
1.2k
14.7 per fractional work
Top-10% rate
1.7%
all institutions 10.0%
Open access
24%
world 40%
International
18%
world 18%

Not ranked overall: Sappi (South Africa) is under the volume floor below which a citation excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does Sappi (South Africa) work in?

In all years, 60% of research at Sappi (South Africa) is in Physical Sciences, 38% in Life Sciences. Its largest fields are Environmental Science (37%), Agricultural and Biological Sciences (24%), Engineering (17%). It does 2.2× the world's share of Life Sciences.

Physical Sciences: 50 fractional works · 59.7% of its workEnvironmental Science: 31 fractional works · 36.7% of its workNature and Landscape Conservation: 17 fractional works · 20.4% of its workEcology: 7 fractional works · 7.9% of its workGlobal and Planetary Change: 4 fractional works · 4.7% of its workEnvironmental Engineering: 2 fractional works · 2.2% of its workEnvironmental Chemistry: 1 fractional works · 1.0% of its workPollution: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEngineering: 15 fractional works · 17.3% of its workBiomedical Engineering: 5 fractional works · 6.3% of its workMechanical Engineering: 4 fractional works · 4.3% of its workMechanics of Materials: 3 fractional works · 3.7% of its workBuilding and Construction: 1 fractional works · 1.7% of its workControl and Systems Engineering: 0 fractional works · 0.6% of its workSmaller subfields together: 1 fractional works · 0.8% of its workMaterials Science: 2 fractional works · 2.6% of its workBiomaterials: 2 fractional works · 1.8% of its workSurfaces, Coatings and Films: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.4% of its workChemistry: 1 fractional works · 1.3% of its workOrganic Chemistry: 0 fractional works · 0.6% of its workAnalytical Chemistry: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnergy: 1 fractional works · 1.2% of its workRenewable Energy, Sustainability and the Environment: 1 fractional works · 1.2% of its workEarth and Planetary Sciences: 0 fractional works · 0.3% of its workChemical Engineering: 0 fractional works · 0.3% of its workLife Sciences: 32 fractional works · 38.2% of its workAgricultural and Biological Sciences: 21 fractional works · 24.4% of its workPlant Science: 12 fractional works · 13.7% of its workEcology, Evolution, Behavior and Systematics: 3 fractional works · 4.0% of its workInsect Science: 2 fractional works · 2.8% of its workAgronomy and Crop Science: 1 fractional works · 1.4% of its workSoil Science: 1 fractional works · 0.9% of its workForestry: 1 fractional works · 0.7% of its workFood Science: 0 fractional works · 0.5% of its workHorticulture: 0 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 12 fractional works · 13.9% of its workCell Biology: 5 fractional works · 5.7% of its workMolecular Biology: 4 fractional works · 4.7% of its workBiotechnology: 1 fractional works · 1.7% of its workGenetics: 1 fractional works · 0.9% of its workEndocrinology: 1 fractional works · 0.9% of its workSocial Sciences: 1 fractional works · 1.5% of its workSocial Sciences: 1 fractional works · 1.2% of its workAnthropology: 0 fractional works · 0.6% of its workLaw: 0 fractional works · 0.6% of its workDecision Sciences: 0 fractional works · 0.2% of its workPsychology: 0 fractional works · 0.1% of its workHealth Sciences: 0 fractional works · 0.6% of its workMedicine: 0 fractional works · 0.6% of its workPharmacology: 0 fractional works · 0.6% of its workALL ITS WORKSappi (SouthAfrica)84fractional works, all years
Life Sciences38%Physical Sciences60%Health Sciences1%Social Sciences2%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 13 fields, with their numbers
    1. Environmental Science3136.7%
    2. Engineering1517.3%
    3. Materials Science22.6%
    4. Chemistry11.3%
    5. Energy11.2%
    6. Earth and Planetary Sciences00.3%
    7. Chemical Engineering00.3%
    1. Agricultural and Biological Sciences2124.4%
    2. Biochemistry, Genetics and Molecular Biology1213.9%
    1. Social Sciences11.2%
    2. Decision Sciences00.2%
    3. Psychology00.1%
    1. Medicine00.6%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 3.95× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.49× its world share, 2 worksBiochemistry, Geneti…Chemistry: 2.53× its world share, 0 worksChemistryEarth and Planetary Sciences: 1.11× its world share, 0 worksEarth and Planetary …Engineering: 1.07× its world share, 2 worksEngineeringEnvironmental Science: 8.21× its world share, 5 worksEnvironmental ScienceMaterials Science: 1.28× its world share, 0 worksMaterials SciencePsychology: 0.33× its world share, 0 worksPsychology1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 8.2×. Every wedge is a field page.

All 8 fields, with their numbers
  1. Environmental Science8.21×5 works
  2. Agricultural and Biological Sciences3.95×2 works
  3. Chemistry2.53×0 works
  4. Biochemistry, Genetics and Molecular Biology2.49×2 works
  5. Materials Science1.28×0 works
  6. Earth and Planetary Sciences1.11×0 works
  7. Engineering1.07×2 works
  8. Psychology0.33×0 works

Who are the top researchers at Sappi (South Africa)?

Ranked on the quality score, A. Nel, Steven Dovey and V Grzeskowiak lead among researchers whose main affiliation is Sappi (South Africa).

  1. 1 A. Nel South Africa · #3,306,082 worldwide 267 citations · 16 works
  2. 2 Steven Dovey South Africa · #4,254,413 worldwide 348 citations · 35 works
  3. 3 V Grzeskowiak South Africa · #4,298,529 worldwide 132 citations · 15 works
  4. 4 Giovanni Sale South Africa · #4,643,182 worldwide 89 citations · 21 works
  5. 5 Arnulf Kanzler South Africa · #4,806,412 worldwide 276 citations · 19 works
  6. 6 Jacob W. Crous South Africa · #5,398,123 worldwide 278 citations · 32 works
  7. 7 Andrew R Morris South Africa · #5,952,284 worldwide 436 citations · 42 works
All ranked researchers at Sappi (South Africa)

What are the most cited papers from Sappi (South Africa)?

The most cited paper from Sappi (South Africa) is "Purification and kinetics of a thermostable laccase from Pycnoporus sanguineus (SCC 108)" (Derek Litthauer, Marielle Jansen van Vuuren, André van Tonder et al., 2006), with 102 citations. Next come "Production, partial characterization and use of fungal cellulase-free xylanases in pulp bleaching" (98) and "The Myrtle rust pathogen, Puccinia psidii, discovered in Africa" (86).

Most cited papers
#PaperReleasedCitations
1 Purification and kinetics of a thermostable laccase from Pycnoporus sanguineus (SCC 108) Derek Litthauer, Marielle Jansen van Vuuren, André van Tonder et al. · Enzyme and Microbial Technology 13 May 2006 102
2 Production, partial characterization and use of fungal cellulase-free xylanases in pulp bleaching L. P. Christov, G. Szakács, Harishankar Balakrishnan · Process Biochemistry Jul 1999 98
3 The Myrtle rust pathogen, Puccinia psidii, discovered in Africa Jolanda Roux, Izette Greyling, Teresa Ann Coutinho et al. · IMA Fungus Open access Jun 2013 86
4 The floral transcriptome of E ucalyptus grandis Kelly J. Vining, Elisson Antonio da Costa Romanel, Rebecca C. Jones et al. · New Phytologist 29 Oct 2014 78
5 Intensive, site-specific silviculture: Manipulating resource availability at establishment for improved stand productivity. A review of South African research Ben du Toit, Colin W. Smith, Keith M. Little et al. · Forest Ecology and Management 9 Aug 2009 78
All 60 most cited papers, with filters and sorting

Which keywords describe research at Sappi (South Africa)?

By fractional works in all years, weighted toward what it does more of than the world: Biomass Estimation, Aboveground Biomass, Allometric Models, Carbon Stocks, Tropical Forests, Invasive Species, Climate Change and Global Change.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Biomass Estimation13▲ 134×3 topics
  2. Aboveground Biomass11▲ 186×2 topics
  3. Allometric Models10▲ 256×2 topics
  4. Carbon Stocks10▲ 368×1 topic
  5. Tropical Forests10▲ 292×1 topic
  6. Invasive Species10▲ 20×8 topics
  7. Climate Change9▲ 4.0×12 topics
  8. Biological Invasions6▲ 63×2 topics
  9. Global Change6▲ 23×4 topics
  10. Phylogenetic Analysis6▲ 18×4 topics
  11. Soil Properties6▲ 44×3 topics
  12. Host Specificity6▲ 51×2 topics
  13. Fungal Pathogens6▲ 38×3 topics
  14. Forest Restoration5▲ 319×2 topics
  15. Biodiversity5▲ 8.0×4 topics
  16. Nursery Cultivation5▲ 566×1 topic
  17. Seedling Performance5▲ 566×1 topic
  18. Biodiversity Conservation5▲ 21×5 topics
  19. Endophytic Fungi5▲ 51×1 topic
  20. Genomic Characterization5▲ 36×1 topic
  21. Forest Management4▲ 86×3 topics
  22. Habitat Fragmentation4▲ 18×2 topics
  23. Biodegradation4▲ 42×2 topics
  24. Bioremediation4▲ 30×2 topics
  25. Enzymatic Decolorization4▲ 279×1 topic
  26. Global Warming4▲ 12×2 topics
  27. Laccases4▲ 279×1 topic
  28. Bark Beetles4▲ 153×1 topic
  29. Conservation4▲ 8.8×4 topics
  30. Forest Pests4▲ 153×1 topic
  31. Vegetation4▲ 40×3 topics
  32. Ecosystem Functioning3▲ 19×4 topics
  33. Polymeric Materials3▲ 63×2 topics
  34. Root Reinforcement3▲ 194×1 topic
  35. Slope Stability3▲ 128×1 topic
  36. Catalytic Transformation3▲ 130×1 topic
  37. Climate Change Impacts3▲ 26×2 topics
  38. Lignin Valorization3▲ 130×1 topic
  39. Ecosystem Services3▲ 10×4 topics
  40. Uncertainty3▲ 65×3 topics

Which research topics does Sappi (South Africa) publish most on?

By volume in 2022-now: Forest ecology and management, Plant Pathogens and Fungal Diseases, Seedling growth and survival studies and Remote Sensing in Agriculture.

  1. 1 Forest ecology and management Nature and Landscape Conservation 1 works
  2. 2 Plant Pathogens and Fungal Diseases Cell Biology 1 works
  3. 3 Seedling growth and survival studies Nature and Landscape Conservation 1 works
  4. 4 Remote Sensing in Agriculture Ecology 1 works
  5. 5 Tree Root and Stability Studies Mechanical Engineering 1 works
  6. 6 Remote Sensing and LiDAR Applications Environmental Engineering 0 works
  7. 7 Forest Ecology and Biodiversity Studies Insect Science 0 works
  8. 8 Forest Insect Ecology and Management Ecology 0 works
  9. 9 Cocoa and Sweet Potato Agronomy Horticulture 0 works
  10. 10 Plant Water Relations and Carbon Dynamics Global and Planetary Change 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available23.7%not open76.3%

World: 40% of research is openly available.

with international co-authors18.4%domestic only81.6%

World: 18% is written across borders.

How has Sappi (South Africa)'s research output changed?

Output in 2022-2025 was 4% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Sappi (South Africa) as a percentage of every work published that year, 0.000030% in 2024.

still counting0.00020%0.00040%0.00060%Sappi (South Africa)0.000038% in 202519801990200020102020

Fractional works of Sappi (South Africa) over all fractional works that year. How the balance of science has shifted.

Other research institutions in Johannesburg

All research institutions in Johannesburg

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

Discussion

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